19477971

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2087}}^1$

素因数の和:2171

約数の個数: 24

約数和(自身を含む): 30292704

約数和(自身を除く): 10814733

約数列:

[1, 3, 9, 17, 51, 61, 153, 183, 549, 1037, 2087, 3111, 6261, 9333, 18783, 35479, 106437, 127307, 319311, 381921, 1145763, 2164219, 6492657, 19477971]

約数ペア:

[(1, 19477971), (3, 6492657), (9, 2164219), (17, 1145763), (51, 381921), (61, 319311), (153, 127307), (183, 106437), (549, 35479), (1037, 18783), (2087, 9333), (3111, 6261)]